Fish tank



FIG. 1 is a top, front, left side perspective view of an embodiment of a fish tank.

FIG. 2 is a left side view of the fish tank shown in FIG. 1.

FIG. 3 is a right side view of the fish tank shown in FIG. 1.

FIG. 4 is a front side view of the fish tank shown in FIG. 1.

FIG. 5 is a back side view of the fish tank shown in FIG. 1.

FIG. 6 is a top side view of the fish tank shown in FIG. 1; and,

FIG. 7 is a bottom side view of the fish tank shown in FIG. 1.

The elements shown in broken lines are included for the purpose of illustrating environment and form no part of the claimed design. 

CLAIM We claim the ornamental design for a fish tank, as shown and described. 